<?php

/**
 * This is the model class for table "{{bus}}".
 *
 * The followings are the available columns in table '{{bus}}':
 * @property integer $bus_id
 * @property string $name
 */
class Bus extends CActiveRecord {

    /**
     * Returns the static model of the specified AR class.
     * @param string $className active record class name.
     * @return Bus the static model class
     */
    public static function model($className = __CLASS__) {
        return parent::model($className);
    }

    /**
     * @return string the associated database table name
     */
    public function tableName() {
        return '{{bus}}';
    }

    /**
     * @return array validation rules for model attributes.
     */
    public function rules() {
        // NOTE: you should only define rules for those attributes that
        // will receive user inputs.
        return array(
            array('name', 'required'),
            array('name', 'length', 'max' => 255),
            // The following rule is used by search().
            // Please remove those attributes that should not be searched.
            array('bus_id, name', 'safe', 'on' => 'search'),
        );
    }

    /**
     * @return array relational rules.
     */
    public function relations() {
        // NOTE: you may need to adjust the relation name and the related
        // class name for the relations automatically generated below.
        return array(
            'station' => array(self::HAS_MANY, 'BusStation', 'bus_id'),
        );
    }

    /**
     * @return array customized attribute labels (name=>label)
     */
    public function attributeLabels() {
        return array(
            'bus_id' => 'Bus',
            'name' => 'Name',
        );
    }

    /**
     * Retrieves a list of models based on the current search/filter conditions.
     * @return CActiveDataProvider the data provider that can return the models based on the search/filter conditions.
     */
    public function search() {
        // Warning: Please modify the following code to remove attributes that
        // should not be searched.

        $criteria = new CDbCriteria;

        $criteria->compare('bus_id', $this->bus_id);
        $criteria->compare('name', $this->name, true);

        return new CActiveDataProvider($this, array(
                    'criteria' => $criteria,
                ));
    }

    protected function afterSave() {
        parent::afterSave();

        if ($this->scenario == 'insert') {
            $modelDirection1 = new BusDetail();
            $modelDirection2 = new BusDetail();

            $modelDirection1->attributes = array(
                'bus_id' => $this->bus_id,
                'direction' => 1,
            );
            $modelDirection2->attributes = array(
                'bus_id' => $this->bus_id,
                'direction' => 2,
            );

            $modelDirection1->save();
            $modelDirection2->save();
        }
    }
    
    protected function afterDelete() {
        parent::afterDelete();
        
        foreach(BusDetail::model()->findAll('bus_id = ' . $this->bus_id) as $item) {
            $item->delete();
        }
    }
    
    public function saveStation($model) {
        $model->bus_id = $this->bus_id;
        
        return $model->save();
    }

}